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qemu: fix a crash when save file can't be opened
In qemuDomainSaveMemory, wrapperFd might be NULL and should be checked before calling virFileWrapperFdCatchError. Same in doCoreDump. Bug: https://bugzilla.redhat.com/show_bug.cgi?id=880919
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@ -2906,7 +2906,8 @@ qemuDomainSaveMemory(struct qemud_driver *driver,
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cleanup:
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VIR_FORCE_CLOSE(fd);
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virFileWrapperFdCatchError(wrapperFd);
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if (wrapperFd)
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virFileWrapperFdCatchError(wrapperFd);
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virFileWrapperFdFree(wrapperFd);
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VIR_FREE(xml);
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@ -3362,7 +3363,8 @@ doCoreDump(struct qemud_driver *driver,
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cleanup:
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VIR_FORCE_CLOSE(fd);
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if (ret != 0) {
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virFileWrapperFdCatchError(wrapperFd);
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if (wrapperFd)
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virFileWrapperFdCatchError(wrapperFd);
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unlink(path);
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}
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virFileWrapperFdFree(wrapperFd);
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